import { Knex } from 'knex';
import { AdminService, InternalAdmin } from '../types/admin.js';
/**
 * Knex-based implementation of AdminService
 */
export declare class KnexAdminService implements AdminService {
    private readonly tableName;
    private knex;
    constructor(knex: Knex);
    /**
     * Find an admin by email
     * @param email Admin email to search for
     * @returns Admin or null if not found
     */
    findAdminByEmail(email: string): Promise<InternalAdmin | null>;
    /**
     * Find an admin by ID
     * @param id Admin ID to search for
     * @returns Admin or null if not found
     */
    findAdminById(id: string): Promise<InternalAdmin | null>;
    /**
     * Create a new admin
     * @param admin Admin details
     * @param password Plain text password
     * @returns Created admin
     */
    createAdmin(admin: Partial<InternalAdmin>, password: string): Promise<InternalAdmin>;
    /**
     * Update an admin
     * @param id Admin ID
     * @param admin Admin details to update
     * @returns Updated admin
     */
    updateAdmin(id: string, admin: Partial<InternalAdmin>): Promise<InternalAdmin>;
    /**
     * Update an admin's password
     * @param id Admin ID
     * @param password New plain text password
     */
    updatePassword(id: string, password: string): Promise<void>;
    /**
     * Delete an admin
     * @param id Admin ID
     */
    deleteAdmin(id: string): Promise<void>;
    /**
     * Validate a password against an admin's stored hash
     * @param admin Admin object
     * @param password Plain text password to validate
     * @returns True if password is valid
     */
    validatePassword(admin: InternalAdmin, password: string): Promise<boolean>;
    /**
     * List admins with pagination
     * @param page Page number (1-based)
     * @param limit Items per page
     * @returns Paginated list of admins
     */
    listAdmins(page?: number, limit?: number): Promise<{
        admins: InternalAdmin[];
        total: number;
        page: number;
        limit: number;
    }>;
    /**
     * Check if an admin has a specific permission
     * @param adminId Admin ID
     * @param permission Permission to check
     * @returns True if admin has permission
     */
    hasPermission(adminId: string, permission: string): Promise<boolean>;
    /**
     * Grant a permission to an admin
     * @param adminId Admin ID
     * @param permission Permission to grant
     */
    grantPermission(adminId: string, permission: string): Promise<void>;
    /**
     * Revoke a permission from an admin
     * @param adminId Admin ID
     * @param permission Permission to revoke
     */
    revokePermission(adminId: string, permission: string): Promise<void>;
    /**
     * Update admin last login timestamp
     * @param id Admin ID
     */
    updateLastLogin(id: string): Promise<void>;
}
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